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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Tang, S. H. Wang, X. W. Zhao, C. Wang, X. F. Ren, G. W. Bian, W. J. Yang, X. M. Xu, P. J. |
| Spatial Coverage | China |
| Description | Country affiliation: China Author Affiliation: Zhao C ( Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China.); Yang XM ( State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China.); Tang SH ( Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China.); Xu PJ ( Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China.); Bian WJ ( Technological Center, Anhui Industrial Company Co., Ltd., Hefei, China.); Wang XF ( Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China.); Wang XW ( Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China.); Ren GW ( Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China.) |
| Abstract | The tobacco aphid, Myzus persicae nicotianae (Hemiptera: Aphididae), is an important agricultural pest that feeds on host plants and transmits plant viruses in China. To effectively control this pest, we investigated the genetic variation and genetic structure of 54 populations of tobacco aphids collected in China, using five microsatellite loci. An average of 7 alleles with effective number ranging from 1.5 to 6.6 was detected using these five loci, and the average polymorphic information content (PIC) was 0.652, suggesting that the five selected microsatellite loci were polymorphic and suitable for the study of population genetics. The expected heterozygosities in the populations studied ranged from 0.128 and 0.653, with an average value of 0.464. However, the observed heterozygosities ranged from 0.250 and 0.942 (average = 0.735), revealing a high genetic variability and heterozygosity excess in the Chinese tobacco aphid populations. The global fixation index (F(ST)) and mean gene flow (N(m)) were 0.34 (P < 0.0001) and 0.50, respectively, suggesting the high genetic differentiation among Chinese populations. The 54 populations of tobacco aphids were classified into two groups. The populations did not cluster geographically, as populations from the same provinces were usually present in different clusters. This was also confirmed by the Mantel test, which showed no significant correlation between the genetic distance and geographical distance or altitude. Long distance migration might be responsible for the lack of distance-related isolation. |
| e-ISSN | 16765680 |
| Journal | Genetics and Molecular Research |
| Issue Number | 4 |
| Volume Number | 14 |
| Language | English |
| Publisher | Fundação de Pesquisas Científicas de Ribeirão Preto |
| Publisher Date | 2015-12-17 |
| Publisher Place | Brazil |
| Access Restriction | Open |
| Subject Keyword | Genetic Variation Genetics, Population Microsatellite Repeats Tobacco Genetics Cluster Analysis Dna, Mitochondrial Evolution, Molecular Genotype Nucleotide Motifs Research Support, Non-u.s. Gov't Discipline Genetics Discipline Molecular Biology Discipline Bioinformatics |
| Content Type | Text |
| Resource Type | Article |
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